Hourly Weather | Today Tuesday, July 21, 2026
Sterling Heights, Michigan
5 AM
Cloudy Weather
72°
Feels Like 72°
46
Humidity: 89%
UV Index: 0
Wind: 9 mph
6 AM
Cloudy Weather
70°
Feels Like 70°
47
Humidity: 93%
UV Index: 0
Wind: 9 mph
7 AM
Stormy Weather
70°
Feels Like 68°
51
Humidity: 92%
UV Index: 0
Wind: 9 mph
8 AM
Stormy Weather
72°
Feels Like 68°
59
Humidity: 86%
UV Index: 0
Wind: 12 mph
9 AM
Cloudy Weather
73°
Feels Like 75°
49
Humidity: 88%
UV Index: 1
Wind: 13 mph
10 AM
Cloudy Weather
75°
Feels Like 79°
49
Humidity: 84%
UV Index: 2
Wind: 13 mph
11 AM
Cloudy Weather
77°
Feels Like 81°
49
Humidity: 79%
UV Index: 3
Wind: 14 mph
12 PM
Cloudy Weather
79°
Feels Like 82°
49
Humidity: 73%
UV Index: 4
Wind: 15 mph
1 PM
Stormy Weather
77°
Feels Like 79°
66
Humidity: 82%
UV Index: 3
Wind: 15 mph
2 PM
Cloudy Weather
82°
Feels Like 88°
40
Humidity: 65%
UV Index: 4
Wind: 14 mph
3 PM
Cloudy Weather
81°
Feels Like 82°
34
Humidity: 66%
UV Index: 3
Wind: 14 mph
4 PM
Cloudy Weather
81°
Feels Like 81°
40
Humidity: 63%
UV Index: 2
Wind: 13 mph
5 PM
Rainy Weather
79°
Feels Like 75°
51
Humidity: 67%
UV Index: 1
Wind: 13 mph
6 PM
Cloudy Weather
79°
Feels Like 77°
47
Humidity: 66%
UV Index: 1
Wind: 13 mph
7 PM
Cloudy Weather
77°
Feels Like 75°
30
Humidity: 66%
UV Index: 1
Wind: 13 mph
8 PM
Cloudy Weather
73°
Feels Like 72°
4
Humidity: 72%
UV Index: 0
Wind: 12 mph
9 PM
Cloudy Weather
72°
Feels Like 70°
4
Humidity: 73%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
70°
Feels Like 66°
4
Humidity: 72%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
66°
Feels Like 63°
4
Humidity: 71%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

5 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.96 µg/m³
  • PM10: 14.2 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.35 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.63 µg/m³
  • PM10: 12.79 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.31 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 AM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.81 µg/m³
  • PM10: 11.94 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.29 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
45 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.78 µg/m³
  • PM10: 10.87 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.27 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.29 µg/m³
  • PM10: 9.37 µg/m³
  • O3: 0.046 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.25 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.61 µg/m³
  • PM10: 7.68 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.22 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.24 µg/m³
  • PM10: 7.31 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.74 µg/m³
  • PM10: 7.83 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.63 µg/m³
  • PM10: 8.73 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
42 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.04 µg/m³
  • PM10: 10.15 µg/m³
  • O3: 0.036 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.87 µg/m³
  • PM10: 12.01 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.79 µg/m³
  • PM10: 11.95 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.91 µg/m³
  • PM10: 10.07 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 7.72 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.14 µg/m³
  • PM10: 6.3 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 5.43 µg/m³
  • O3: 0.045 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.57 µg/m³
  • PM10: 4.73 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.07 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.61 µg/m³
  • PM10: 3.81 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.